import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'


const service = axios.create({
    baseURL: process.env.VUE_APP_MOCK_API, // url = base url + request url

    timeout: 5000 // request timeout
})

//请求拦截器：携带的token字段
service.interceptors.request.use(
    config => {


        if (store.getters.token) {

            config.headers['token'] = getToken()
        }
        return config
    },
    error => {
        // do something with request error
        console.log(error) // for debug
        return Promise.reject(error)
    }
)

//响应拦截器
service.interceptors.response.use(

    response => {
        const res = response.data

        //服务器响应失败在干什么,因为咱们真实服务器返回code  20000也有可能200
        if (res.code !== 20000 && res.code != 200) {
            Message({
                message: res.message || 'Error',
                type: 'error',
                duration: 5 * 1000
            })

            // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
            if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
                // to re-login
                MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
                    confirmButtonText: 'Re-Login',
                    cancelButtonText: 'Cancel',
                    type: 'warning'
                }).then(() => {
                    store.dispatch('user/resetToken').then(() => {
                        location.reload()
                    })
                })
            }
            return Promise.reject(new Error(res.message || 'Error'))
        } else {
            //服务器相应成功干什么
            return res
        }
    },
    error => {
        console.log('err' + error) // for debug
        Message({
            message: error.message,
            type: 'error',
            duration: 5 * 1000
        })
        return Promise.reject(error)
    }
)

export default service